Opamp is a REALLLY nice feature, i wasn't aware it was existing in one PIC.. but only voltage comparator & ADCs. Sure you could hack the voltage comparator with some feedback resistor, but my tests never give any good results... well not even close of what you should have with a op-amp.

The Asynchronous PWM feedback (and 2 phase PWM) could be nice for some DC-DC converter, Motor control and for sure, some others.

2 full independant analog comparator.. is a nice feature as well. There's also the REFCON and VRCON register which seems to add some nice stufff...

There's also something i want to test.. the built-in voltage regulator..

Don't worry, i did'nt read the whole thing really carefully

Down side.. no USART, no MSSP... Oups!

For analog stuff and power management, i think it's a really nice PIC.

Time will tell...